Home / 289,634.03-434,450.18-73,492.34

Finding the Fourth Proportional to 289,634.03, 434,450.18 and 73,492.34

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Solution

The fourth proportional to 289,634.03, 434,450.18 and 73,492.34 is: 110,238.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,634.03 : 434,450.18 = 73,492.34 : x
  2. Step 2: Convert to fraction form
    289,634.03/434,450.18 = 73,492.34/x
  3. Step 3: Cross multiply
    289,634.03x = 434,450.18 × 73,492.34
  4. Step 4: Simplify right side
    289,634.03x = 31,928,760,341.62
  5. Step 5: Solve for x
    x = 31,928,760,341.62/289,634.03
  6. Step 6: Final answer
    x = 110,238.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.